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Wed, 16 Aug 2023 03:20:54 -0700 (PDT) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Oleksii Kurochko , Bob Eshleman , Alistair Francis , Connor Davis Subject: [PATCH v1 48/57] xen/riscv: add minimal stuff to asm/page.h to build full Xen Date: Wed, 16 Aug 2023 13:20:01 +0300 Message-ID: <6337d25f0df323dc26c747ce8d07b77ccee07f2f.1692181079.git.oleksii.kurochko@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1692181850474100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/include/asm/page.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/xen/arch/riscv/include/asm/page.h b/xen/arch/riscv/include/asm= /page.h index 95074e29b3..abbae75aaf 100644 --- a/xen/arch/riscv/include/asm/page.h +++ b/xen/arch/riscv/include/asm/page.h @@ -6,6 +6,7 @@ #ifndef __ASSEMBLY__ =20 #include +#include #include =20 #include @@ -32,6 +33,9 @@ #define PTE_LEAF_DEFAULT (PTE_VALID | PTE_READABLE | PTE_WRITAB= LE) #define PTE_TABLE (PTE_VALID) =20 +/* TODO */ +#define PAGE_HYPERVISOR 0 + /* Calculate the offsets into the pagetables for a given VA */ #define pt_linear_offset(lvl, va) ((va) >> XEN_PT_LEVEL_SHIFT(lvl)) =20 @@ -46,6 +50,9 @@ typedef struct { #endif } pte_t; =20 +#define pfn_to_paddr(pfn) ((paddr_t)(pfn) << PAGE_SHIFT) +#define paddr_to_pfn(pa) ((unsigned long)((pa) >> PAGE_SHIFT)) + static inline pte_t paddr_to_pte(paddr_t paddr, unsigned int permissions) { @@ -62,6 +69,20 @@ static inline bool pte_is_valid(pte_t p) return p.pte & PTE_VALID; } =20 +static inline void invalidate_icache(void) +{ + BUG(); +} + +#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) +#define copy_page(dp, sp) memcpy(dp, sp, PAGE_SIZE) + +/* TODO: Flush the dcache for an entire page. */ +static inline void flush_page_to_ram(unsigned long mfn, bool sync_icache) +{ + BUG(); +} + #endif /* __ASSEMBLY__ */ =20 #endif /* _ASM_RISCV_PAGE_H */ --=20 2.41.0